import type { DemoSourceBaselineScope } from './demoSourceBaseline.js';
export type DemoSourceHistory = DemoSourceBaselineScope & {
    schema: 'dharma.demo-source-history/v1';
    localSnapshotHash: string;
    pending: {
        localSnapshotHash: string;
        snapshotHash: string;
        sourceFingerprint: string;
        capturedAt: string;
    } | null;
};
export declare function readDemoSourceHistory(root: string, scope: DemoSourceBaselineScope, priorPolicyHash?: string): Promise<DemoSourceHistory | null>;
export declare function writeDemoSourceHistory(root: string, row: DemoSourceHistory): Promise<void>;
//# sourceMappingURL=demoSourceHistory.d.ts.map